| The COEX celebrated its grand opening ceremony on Mar.,1979. Since then, it has hosted numerous international exhibitions and conventions to provide cultural exchange, Arts events and became the best Convention & Exhibition Center in Korea. The COEX has Professional Exhibition Organizer(PEO) and Professional Convention Organizer (PCO). The members of those groups are the best experts from different fields and possesses the capacity to manage successfully any type of international conventions and exhibitions.
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สมาคมผู้ค้าอัญมณีไทยและเครื่องประดับ 
เดอะ กาแฟ การ์เต็ล 
